Is pneumonia a form of interstitial lung disease?

No: Bacterial pneumonia is not generally considered interstitial lung disease. However, some forms of interstitial lung disease are referred to as iip or idiopathic interstitial pneumonia. These diseases are not pneumonia in the classic sense. They are not thought to be infectious in etiology.

Pneumonia: Interstitial lung diseases are typically progressive processes that are not commonly associated with infection. They may ultimately be associated with fibrosis. That being said there are pneumonias that present with an, "interstitial pattern, " on chest x-ray. They are known as interstitial pneumonias. Interstitial pneumonia will not progress to diffuse fibrosis and are not considered ilds.

No: Pneumonia generally refers to infection of the lungs due to a bacteria, fungal or viral organisms. Ild is an ill understood disease, generally caused by inflammation.